In Pearl’s “The Book of Why”, he mentions that in 2008 they found a gene that has this causal effect (influences both risk of smoking and lung cancer). Of course the effect is much smaller than the direct effect of smoking on cancer, it’s just a funny fact.
In Pearl’s “The Book of Why”, he mentions that in 2008 they found a gene that has this causal effect (influences both risk of smoking and lung cancer). Of course the effect is much smaller than the direct effect of smoking on cancer, it’s just a funny fact.